Natural Resources
Across
- 3. an energy source that uses sunlight
- 4. an energy source that comes from moving water
- 7. an energy source that can be used faster than it is replaced
- 8. an energy source that comes from trees, crops, and garbage
- 9. a group of energy sources containing oil, coal, and natural gas
Down
- 1. an energy source that comes from splitting atoms of uranium
- 2. an energy source that uses heat from the earth
- 5. an energy source that uses wind turbines
- 6. an energy source that is continually replenished